SIM, George. Notes respecting Coins found in the Walls of an Old House in the Town of Ayr; and at the Village of Newstead, Roxburghshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 5, p. 105–108, 1864. DOI: 10.9750/PSAS.005.105.108. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5114. Acesso em: 1 may. 2024.